/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:33,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:33,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:33,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:33,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:33,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:33,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:33,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:33,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:33,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:33,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:33,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:33,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:33,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:33,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:33,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:33,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:33,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:33,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:33,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:33,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:33,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:33,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:33,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:33,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:33,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:33,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:33,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:33,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:33,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:33,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:33,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:33,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:33,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:33,885 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:33,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:33,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:33,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:33,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:33,886 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:33,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:33,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:33,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:33,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:33,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:33,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:33,888 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:34,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:34,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:34,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:34,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:34,155 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:34,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1051.c [2020-07-18 00:13:34,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233fb23d3/eedda1c55f424f3198cc24aad3226406/FLAG6b6778e7c [2020-07-18 00:13:34,679 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:34,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1051.c [2020-07-18 00:13:34,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233fb23d3/eedda1c55f424f3198cc24aad3226406/FLAG6b6778e7c [2020-07-18 00:13:35,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233fb23d3/eedda1c55f424f3198cc24aad3226406 [2020-07-18 00:13:35,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:35,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:35,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:35,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:35,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:35,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d00fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35, skipping insertion in model container [2020-07-18 00:13:35,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:35,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:35,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:35,294 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:35,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:35,355 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:35,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35 WrapperNode [2020-07-18 00:13:35,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:35,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:35,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:35,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:35,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... [2020-07-18 00:13:35,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:35,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:35,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:35,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:35,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-07-18 00:13:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-18 00:13:35,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-18 00:13:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:36,060 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:36,060 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 00:13:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:36 BoogieIcfgContainer [2020-07-18 00:13:36,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:36,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:36,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:36,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:36,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:35" (1/3) ... [2020-07-18 00:13:36,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ab04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:36, skipping insertion in model container [2020-07-18 00:13:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:35" (2/3) ... [2020-07-18 00:13:36,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ab04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:36, skipping insertion in model container [2020-07-18 00:13:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:36" (3/3) ... [2020-07-18 00:13:36,076 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051.c [2020-07-18 00:13:36,086 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:36,098 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:36,113 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:36,135 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:36,137 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:36,137 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:36,137 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:36,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:36,138 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:36,138 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:36,138 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-07-18 00:13:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 00:13:36,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:36,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:36,175 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:36,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1118854884, now seen corresponding path program 1 times [2020-07-18 00:13:36,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:36,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375428647] [2020-07-18 00:13:36,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:36,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {104#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-18 00:13:36,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-18 00:13:36,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-18 00:13:36,405 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~huge_floor~0 := 1.0E30; {79#true} is VALID [2020-07-18 00:13:36,406 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 00:13:36,406 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {79#true} {79#true} #136#return; {79#true} is VALID [2020-07-18 00:13:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:36,440 INFO L280 TraceCheckUtils]: 0: Hoare triple {105#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {79#true} is VALID [2020-07-18 00:13:36,441 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} havoc ~i0~0; {79#true} is VALID [2020-07-18 00:13:36,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} havoc ~j0~0; {79#true} is VALID [2020-07-18 00:13:36,442 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} havoc ~i~0; {79#true} is VALID [2020-07-18 00:13:36,442 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} havoc ~ix~0; {79#true} is VALID [2020-07-18 00:13:36,443 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-18 00:13:36,444 INFO L280 TraceCheckUtils]: 6: Hoare triple {80#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {80#false} is VALID [2020-07-18 00:13:36,444 INFO L280 TraceCheckUtils]: 7: Hoare triple {80#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {80#false} is VALID [2020-07-18 00:13:36,445 INFO L280 TraceCheckUtils]: 8: Hoare triple {80#false} assume !(~j0~0 < 23); {80#false} is VALID [2020-07-18 00:13:36,445 INFO L280 TraceCheckUtils]: 9: Hoare triple {80#false} assume !(~ix~0 % 4294967296 < 2139095040); {80#false} is VALID [2020-07-18 00:13:36,445 INFO L280 TraceCheckUtils]: 10: Hoare triple {80#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {80#false} is VALID [2020-07-18 00:13:36,446 INFO L280 TraceCheckUtils]: 11: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-18 00:13:36,447 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {80#false} {79#true} #132#return; {80#false} is VALID [2020-07-18 00:13:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:36,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#true} ~x := #in~x; {79#true} is VALID [2020-07-18 00:13:36,466 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {79#true} is VALID [2020-07-18 00:13:36,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 00:13:36,466 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {79#true} {80#false} #134#return; {80#false} is VALID [2020-07-18 00:13:36,469 INFO L263 TraceCheckUtils]: 0: Hoare triple {79#true} call ULTIMATE.init(); {104#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:36,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-18 00:13:36,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-18 00:13:36,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-18 00:13:36,471 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} ~huge_floor~0 := 1.0E30; {79#true} is VALID [2020-07-18 00:13:36,472 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 00:13:36,472 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {79#true} {79#true} #136#return; {79#true} is VALID [2020-07-18 00:13:36,473 INFO L263 TraceCheckUtils]: 7: Hoare triple {79#true} call #t~ret6 := main(); {79#true} is VALID [2020-07-18 00:13:36,474 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {79#true} is VALID [2020-07-18 00:13:36,478 INFO L263 TraceCheckUtils]: 9: Hoare triple {79#true} call #t~ret4 := floor_float(~x~0); {105#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:36,478 INFO L280 TraceCheckUtils]: 10: Hoare triple {105#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {79#true} is VALID [2020-07-18 00:13:36,479 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#true} havoc ~i0~0; {79#true} is VALID [2020-07-18 00:13:36,479 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#true} havoc ~j0~0; {79#true} is VALID [2020-07-18 00:13:36,482 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#true} havoc ~i~0; {79#true} is VALID [2020-07-18 00:13:36,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#true} havoc ~ix~0; {79#true} is VALID [2020-07-18 00:13:36,484 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-18 00:13:36,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {80#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {80#false} is VALID [2020-07-18 00:13:36,484 INFO L280 TraceCheckUtils]: 17: Hoare triple {80#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {80#false} is VALID [2020-07-18 00:13:36,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {80#false} assume !(~j0~0 < 23); {80#false} is VALID [2020-07-18 00:13:36,485 INFO L280 TraceCheckUtils]: 19: Hoare triple {80#false} assume !(~ix~0 % 4294967296 < 2139095040); {80#false} is VALID [2020-07-18 00:13:36,485 INFO L280 TraceCheckUtils]: 20: Hoare triple {80#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {80#false} is VALID [2020-07-18 00:13:36,486 INFO L280 TraceCheckUtils]: 21: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-18 00:13:36,486 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {80#false} {79#true} #132#return; {80#false} is VALID [2020-07-18 00:13:36,486 INFO L280 TraceCheckUtils]: 23: Hoare triple {80#false} ~res~0 := #t~ret4; {80#false} is VALID [2020-07-18 00:13:36,487 INFO L280 TraceCheckUtils]: 24: Hoare triple {80#false} havoc #t~ret4; {80#false} is VALID [2020-07-18 00:13:36,487 INFO L263 TraceCheckUtils]: 25: Hoare triple {80#false} call #t~ret5 := isnan_float(~res~0); {79#true} is VALID [2020-07-18 00:13:36,488 INFO L280 TraceCheckUtils]: 26: Hoare triple {79#true} ~x := #in~x; {79#true} is VALID [2020-07-18 00:13:36,489 INFO L280 TraceCheckUtils]: 27: Hoare triple {79#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {79#true} is VALID [2020-07-18 00:13:36,489 INFO L280 TraceCheckUtils]: 28: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-18 00:13:36,489 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {79#true} {80#false} #134#return; {80#false} is VALID [2020-07-18 00:13:36,490 INFO L280 TraceCheckUtils]: 30: Hoare triple {80#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {80#false} is VALID [2020-07-18 00:13:36,490 INFO L280 TraceCheckUtils]: 31: Hoare triple {80#false} assume 0 == #t~ret5; {80#false} is VALID [2020-07-18 00:13:36,494 INFO L280 TraceCheckUtils]: 32: Hoare triple {80#false} havoc #t~ret5; {80#false} is VALID [2020-07-18 00:13:36,494 INFO L280 TraceCheckUtils]: 33: Hoare triple {80#false} assume !false; {80#false} is VALID [2020-07-18 00:13:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:36,552 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:36,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375428647] [2020-07-18 00:13:36,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:36,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:36,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030144952] [2020-07-18 00:13:36,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-18 00:13:36,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:36,576 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:36,617 WARN L140 InductivityCheck]: Transition 79#true ( _ , assume !false; , 80#false ) not inductive [2020-07-18 00:13:36,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:36,618 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:36,624 INFO L168 Benchmark]: Toolchain (without parser) took 1570.86 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 104.2 MB in the end (delta: -3.2 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,626 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.57 ms. Allocated memory is still 136.8 MB. Free memory was 100.6 MB in the beginning and 88.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,628 INFO L168 Benchmark]: Boogie Preprocessor took 129.79 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 88.8 MB in the beginning and 178.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,628 INFO L168 Benchmark]: RCFGBuilder took 580.90 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 144.0 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,629 INFO L168 Benchmark]: TraceAbstraction took 552.54 ms. Allocated memory is still 201.3 MB. Free memory was 144.0 MB in the beginning and 104.2 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:36,633 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.57 ms. Allocated memory is still 136.8 MB. Free memory was 100.6 MB in the beginning and 88.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.79 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 88.8 MB in the beginning and 178.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 580.90 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 144.0 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 552.54 ms. Allocated memory is still 201.3 MB. Free memory was 144.0 MB in the beginning and 104.2 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...